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Md Hasanuzzaman, Lead Mechanical Technician

Md Hasanuzzaman

Lead Mechanical Technician·Almarai

Bangladesh

Diploma, Power Engineering

Work experience

Total years of experience: 16 years, 10 months

Lead Mechanical Technician

February 2026 - Present

Almarai

Riyadh, Saudi Arabia

I found this job using Bayt.com

February 2026 - Present

Lead and supervise junior mechanics and technicians; provide technical guidance and training.
Ensure all repairs and maintenance meet safety, quality, and operational standards.
Read and interpret hydraulic and engine schematics, manuals, and technical drawings.
Troubleshoot complex mechanical, electrical, and hydraulic issues using diagnostic tools.
Preventive and corrective maintenance to minimize downtime.
Diagnose, repair, and maintain diesel engines, hydraulic systems, transmissions, and related components on heavy equipment and vehicles.
MAN BUS TRUCKS MAN TGX, eTGX, TGS, eTGS, TGM, TGL, eTGL
Volvo BUS, Trucks
Volvo FH, Volvo FM, Volvo FMX
Company industry:
Motor Vehicle Passenger Transport
Job role:
Farming and Agriculture

Lead Mechanical Technician

February 2026 - Present

Almarai

Hail, Saudi Arabia

February 2026 - Present

Company industry:
Food & Beverage Production

Sub Assistant Engineer

June 2021 - December 2025

Pertex Petro Limited

Chittagong, Bangladesh

I found this job using Bayt.com

June 2021 - December 2025

Duties/Responsibilities:
1. Installation, Testing, Commissioning, Operation & Maintenance of 7500KVA 33/11/0.415/3.3KV
Sub-station, 33KV AIS, 11KV VCB, HT panel, Transformers (33/11KV 7500KVA -1Nos, 11/0.415KV
3500KVA - 2Nos, 0.415/3.3KV 3500KVA - 1Nos), LT panel, 4200KVAR PFI plant, 33KV Surge Arrester,
33KV Gang Isolator, AC/DC panel etc.
2. Good knowledge about HT controlling & protection system such as 33KV differential relay (Micom
P642), 33KV Feeder Protection relay (Micom P122), 33KV master trip relay, 11KV IDMT relay (Micom
P111), CT, PT, VCB etc.
3. Installation, Testing, Commissioning, Operation & Maintenance of Diesel Generators (2250KVA FG
WILSON, 2200KVA Tempest, 1500KVA FG WILSON, 165KVA FG WILSON), Synchronizing panel etc.
4. Installation, Testing, Commissioning, Operation & Maintenance of online UPS System (2MVA 1 Unit,
3MVA 1 Unit, Brand: Riello, Italy), 2MVA MSB, 3MVA MSB, STS etc.
5. Good knowledge about motor controlling system such as DOL Starter, Star Delta, Reverse Forward,
Soft Starter, VFD etc.
6. Practical experience on operating different measuring instruments such as Megara (up to 10KV),
Earth Tester, Battery Tester, Phase sequence meter, Tachometer, Clamp Meter & so on.
7. Troubleshooting of overhead crane, submersible pump, fire pump, AC, HVAC system, solar system,
BBT, Air Compressor, Motor rewinding & so on.
Company industry:
Oil & Gas
Job role:
Electrical Engineering

Sub-Asst. Engineer (Generator & Substion)

June 2021 - December 2025

Partex Petro Ltd.

Bangladesh

June 2021 - December 2025

1 installation testing commissioning operation maintenance of 7500kva 33 11 0 415 3 3kv sub station 33kv ais 11kv vcb ht panel transformers 33 11kv 7500kva 1nos 11 0 415kv 3500kva 2nos 0 415 3 3kv 3500kva 1nos lt panel 4200kvar pfi plant 33kv surge arrester 33kv gang isolator ac dc panel etc 2 good knowledge about ht controlling protection system such as 33kv differential relay micom p642 33kv feeder protection relay micom p122 33kv master trip relay 11kv idmt relay micom p111 ct pt vcb etc 3 installation testing commissioning operation maintenance of diesel generators 2250kva fg wilson 2200kva tempest 1500kva fg wilson 165kva fg wilson synchronizing panel etc 4 installation testing commissioning operation maintenance of online ups system 2mva 1 unit 3mva 1 unit brand riello italy 2mva msb 3mva msb sts etc 5 good knowledge about motor controlling system such as dol starter star delta reverse forward soft starter vfd etc 6 practical experience on operating different measuring instruments such as meggar up to 10kv earth tester battery tester phase sequence meter techometer clamp meter so on 7 troubleshooting of overhead crane submersible pump fire pump ac hvac system solar system bbt air
Company industry:
Petrochemicals & Refined Petroleum Products Manufacture

Service Engineer

January 2014 - July 2021

Metal Pluse ltd (Metal Group)

Dhaka, Bangladesh

I found this job using Bayt.com

January 2014 - July 2021

Operation maintenance of Huawei Project (Airtel & Gp telecom Sylhet In Dhaka Bangladesh) I work in Generator Division. Generator
Servicing, ATS Wearing, Automation (Eicher, Acme, Mahindra, Pramac, WFM, SDMO, FG Wilson, Himoinsa &
Protable Generator)
Company industry:
Telecommunications
Job role:
Engineering

Service Engineer

February 2014 - June 2021

Metal Plus Limited

Dhaka, Bangladesh

February 2014 - June 2021

operation maintenance generator division generator servicing ats wearing automation eicher acme mahindra pramac wfm sdmo fg wilson himoinsa protable generator instillation bts battery bank fined out problem and solving
Company industry:
Electric Power Production & Transmission

Technician

July 2013 - January 2014

Orasinvest (Bangladesh)Ltd

Dhaka, Bangladesh

I found this job using Bayt.com

July 2013 - January 2014

Company Location : Ambon Complex (4th Floor), 99, Mohakhali C/A, Dhaka-1212
Department: Operation & M aintenance
Duties/Responsibilities:
Practical experience on any Generator trouble shooting & its Maintenance, High voltage power
supply.Maintain safety of all electrical works and reporting in regular basis. Having knowledge on electric
motor, MCB, transformer, ATS, MDB, common electricity connection.
Company industry:
Telecommunications
Job role:
Maintenance, Repair, and Technician

Technician DG

July 2013 - January 2014

Mobiserve Holding

Dhaka, Bangladesh

July 2013 - January 2014

telecom power supplay rectifier instalition dismantale installation and dismantle delta huawei v1 huawei v2 eltrk flat pack eltek smart pack emerson zte dpc etc alarm create door smoke water fire and dg alarm
Company industry:
Telecommunications

Assistan Engineer

November 2011 - July 2013

Green Energy Management Service(Pvt)Ltd

Dhaka, Bangladesh

I found this job using Bayt.com

November 2011 - July 2013

A Concern ACME Telepower India (Pvt)ltd)
Company Location : Priyo Prangon Tower (5-10) 19, Kemal Ataturk Avenue, Banani, Dhaka-1212
Department: Genarator, PIU
Duties/Responsibilities:
1. Trouble shooting of ACME Diesel Generator in telecoms BTS sites. 2.DC DG Generator Installation and
Troubleshooting Maintenance Telecoms Sector. 3.DC DG Check up Maintenance Schedule. 4.Dally Reporting
the activities and progress to the Service Manager
.
Company industry:
Telecommunications
Job role:
Engineering

Asst. Engineer

November 2011 - July 2013

Green Energy Management Services Pvt LTD

Dhaka, Bangladesh

November 2011 - July 2013

1 trouble shooting of dc diesel generator piu in telecom bts sites 2 dcdg piu installation erection operation maintenance telecom sector 3 dc dg piu check up troubleshooting commissioning maintenance schedule 4 provide best support service activities and ensure customer complaints are dealt within a structured time frame 5 dally reporting the activities and progress to the service manager 6 developing relations with new customers
Company industry:
Telecommunications

Sub Assistant Engineer

August 2010 - October 2011

The Bengal Glass Works Ltd

Bangladesh

I found this job using Bayt.com

August 2010 - October 2011

Company Location : Sandira, Demra, Dhaka.
Department: I/S Machine
Duties/Responsibilities:
Operation & Operating system of I.S. M/C.I.S. Machine Maintenance. Knowledge on I/S. M/C Equipments,
verity of mechanism (baffle, invert, blue head, neck ring, take out, plunger) thimble valve bloke, mold,
pusher, transfer, etc. Air compressor GA-160, GP-55, GA-45.Many kinds of pump, Belt conveyors, Ball mill,
Silo, Filters, Welding, Cutting Fitting, Dryer Squaring and Polishing, Repairing, Servicing, Overhauling,
Troubleshooting and Maintenance. 1. Gas and Diesel Generating Power Plant Operation and maintenance
works with reporting etc. 2. Preventive and schedule maintenance work. 3. Follow up of the spear parts
stock and make requisition as requirement. 4. Properly operate monitored Generator sequence, plant
auxiliary and system start-up/shutdown normal and emergency testing. 5. Assist in on the job training of
other operation. 6. Observe variations in operating condition and interpret meter and gauge readings. 7.
Operator electric generating units to control flow and processing of electrical energy. 8.Participate in other
factory maintenance work on emergence time.
Company industry:
Industrial Production
Job role:
Engineering

Sub-Asst. Engineer

August 2010 - October 2011

Bengal Glass Works Ltd.

Bangladesh

August 2010 - October 2011

part of my job responsibilities i have actively co ordinate in the following project 1 gas and diesel generating power plant operation and maintenance works with reporting etc 2 preventive and schedule maintenance work 3 follow up of the spear parts stock and make requisition as requirement 4 properly operate monitored generator sequence plant auxiliary and system startup shutdown normal and emergency testing 5 observe variations in operating condition and interpret meter and gauge readings 6 operator electric generating units to control flow and processing of electrical energy 7 participate in other factory maintenance work on emergence time
Company industry:
Chemicals Manufacture

Operation Maintenance Engineer

September 2009 - August 2010

MCW CNG Refilling

Dhaka, Bangladesh

I found this job using Bayt.com

September 2009 - August 2010

Station & Conversion Workshop (Unit-5 of Mirpur Ceramic Works Ltd
Company Location : Mirpur-12, Dhaka-1216
Department: Generator & Compressor
Duties/Responsibilities:
CNG Compressor Operation Maintenance . Preventive and schedule maintenance work. Car Pickup maicro
Conversion Supervision. Dally CNG Production & Conversion Report the activities and progress to the
Service Manager. Air compressor GP-55.Many kinds of pump, Belt conveyors, Ball mill, Silo, Filters,
Welding, Cutting Fitting, Dryer Squaring and Polishing, Repairing, Servicing, Overhauling, Troubleshooting
and Maintenance
Specialization:
Fields of Specialization Description
* Power Generation
* Mechanical
* Industrial & Production
Engineering
1.Operation & Operating system of Bagla Cat
Generator.
2.Maintenance & Overhauling of Bagla Cat Generator.
3. Knowledge on Cylinder, piston, crank shaft, cam
shaft, gear &pulley, Bearing, spring, spark plug, rocker
arm, bridge, valve, generator equipments, etc.
4. Operation & Operating system of I.S. M/C.
5. I.S. Machine Maintenance.
6. Knowledge on I.S. M/C Equipments, verity of
mechanism(baffle, invert, blue head, neck ring, take
Company industry:
Oil & Gas
Job role:
Maintenance, Repair, and Technician

Operation Maintenance Engineer

July 2009 - August 2010

MIRPUR CERAMIC WORKS LIMITED

Dhaka, Bangladesh

July 2009 - August 2010

job responsibilities 1 cng compressor operation maintenance 2 preventive and schedule maintenance work 3 car pickup maicro conversion supervision 4 dally cng production conversion report the activities and progress to the service manager air compressor gp 55 many kinds of pump belt conveyors ball mill silo filters welding cutting fitting dryer squaring and polishing repairing servicing overhauling troubleshooting and maintenance
Company industry:
FMCG

Education

Pabna Polytechnic Institute

August 2008

August 2008

Diploma, Power Engineering

Bangladesh

GPA (point): 2.81 out of 4

GPA (point): 2.81 out of 4

Name of Exam : Diploma in Engineering. Status : 2.81 scale of 4 Institute : Pabna polytechnic Institute. Session : 2004-2005 Passing Year : 2008 Board : B.T.E.B. Dhaka.
View attachment

Khash Mathurapur High School

January 2000

January 2000

High school or equivalent, Science

Bangladesh

GPA (percentage): 65%

GPA (percentage): 65%

Name of Exam : Secondary School Certificate (Science) Status : 1st Division Institute : Khash Mathurapur High School. Session : 1998-1999 Passing Year : 2000 Board : Jeassore. Bangladesh Bangladesh
View attachment

Skills

C
Expert
C
Expert
AUTOMATION
Expert
AUTOMATION
Expert
BTS
Expert
BTS
Expert
DC
Expert
DC
Expert
MICROSOFT WORKS
Expert
MICROSOFT WORKS
Expert
MILL
Expert
MILL
Expert
OPERATING SYSTEMS
Expert
OPERATING SYSTEMS
Expert
PROGRESS
Expert
PROGRESS
Expert

Languages

English
Expert

Training and Certifications

Certifications
Secondary school certificate
Jun 2000
Show credentials
Diploma in Engineering
Apr 2009
Show credentials